Light Emitting Key Tapping Frequency Health State Indication
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Solution Overview
Problem
Current backlit keyboards do not provide a way to indicate the user's health state, such as fatigue levels, through light emission.
Innovation Solution
Incorporating light emitting keys and corresponding sensing devices that sense tapping frequencies and generate color control signals to adjust the light emission based on these frequencies, allowing the keyboard to indicate health states through color changes, and optionally adjusting light intensity based on ambient light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the keyboard emits light to improve visibility, then the visual experience is enhanced, but the keyboard cannot indicate health state
Solution Approach 1:
The patent changes the parameter of light emission from simple illumination to color-coded health indication. The light emitting keys emit different colors (e.g., green, yellow, red) to represent different health states such as normal, warning, and critical conditions, thereby conveying health information through light color rather than just brightness.
Solution Approach 2:
The patent directly applies color changes to indicate health states. The light emitting keys change color based on the detected tapping frequency, where different colors correspond to different health conditions. This allows the keyboard to provide both illumination and health state indication simultaneously through color-coded light emission.
2Device complexity
If the keyboard provides only basic light emission, then the structure is simple, but it cannot monitor tapping frequency or indicate health state
Solution Approach 1:
The patent implements a feedback mechanism where the sensing device detects the tapping frequency of keys, sends this information to a data processing device, which then generates color control signals based on the detected frequency. This closed-loop feedback system allows the keyboard to automatically adjust light emission color according to user typing patterns and health state without requiring manual input.
Solution Approach 2:
The patent makes the light emitting keys multi-functional by combining illumination, health state indication, and tapping frequency monitoring into a single component. The same light emitting keys that provide visibility also convey health information through color changes, eliminating the need for separate indicators and reducing overall system complexity.
3Ease of manufacture
If the keyboard structure is simplified without sensing devices, then manufacturing is easier, but health state cannot be detected
Solution Approach 1:
The patent implements a self-service system where the keyboard automatically detects its own usage patterns through integrated sensing devices. The sensing devices are built into the keyboard structure to detect tapping frequencies, and the system automatically processes this data to determine health state and adjust light emission accordingly, without requiring external monitoring equipment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to monitor and manage their tapping frequency by visual cues, reducing the risk of over-tiredness and enhancing the visual experience with comprehensive color effects while potentially reducing power consumption.
Implementation Method 1
The sensing device is operable to sense a tapping frequency corresponding to the light emitting key
Implementation Method 2
The light emitting key is operable to emit light according to the color control signal
Implementation Method 3
The light sensing device is operable to sense the ambient light to obtain a light intensity of the ambient light
Data Source
AI summary
An input device includes at least one light emitting key and a sensing device corresponding to the light emitting key. The sensing device is operable to sense a tapping frequency corresponding to the at least one light emitting key, and to send the tapping frequency to a data processing device. The data processing device is operable to generate a corresponding color control signal according to the tapping frequency, and the at least one light emitting key is operable to emit light according to the color control signal.